Finding the Fourth Proportional to 89,445.72, 134,181.34 and 30,298.32

Step by Step Solution

1. Step 1: Write the proportion equation
   89,445.72 : 134,181.34 = 30,298.32 : x
2. Step 2: Convert to fraction form
   89,445.72/134,181.34 = 30,298.32/x
3. Step 3: Cross multiply
   89,445.72x = 134,181.34 × 30,298.32
4. Step 4: Simplify right side
   89,445.72x = 4,065,469,177.35
5. Step 5: Solve for x
   x = 4,065,469,177.35/89,445.72
6. Step 6: Final answer
   x = 45,451.80